6. Loads on Structures - part a
The chapter discusses various types of loads that can affect structures, particularly focusing on live loads in floor and roof designs, and emphasizes the need for load reduction based on specific conditions. It covers the importance of tributary areas for beams and columns, along with practical methods for calculating loads. Additionally, the chapter explains core concepts in structural design, including Load and Resistance Factor Design (LRFD) and load combinations essential for ensuring safety and economy in structural integrity.
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What we have learnt
- Certain building types allow a reduction in uniform live load for large floor areas.
- Tributary areas are critical in determining vertical load transfer and influence structural design.
- Designing structures involves balancing safety, serviceability, and economy through established criteria.
Key Concepts
- -- Live Load Reduction
- A technique to reduce the design live load on structural members based on the likelihood of simultaneous occurrence across a wide area.
- -- Tributary Area
- The area of a slab supported by a beam or the area around a column from which load is transferred.
- -- Load and Resistance Factor Design (LRFD)
- A design methodology that applies load factors to service loads to ensure members can resist factored loads.
- -- Load Combinations
- Strategies for combining different types of loads acting on a structure to ensure adequate safety under uncertain loading scenarios.
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